1. Branch, C.D. (1978) Evolution of the middle Proterozoic Chandabooka Caldera, Gawler range acid volcano plutonic province, South Australia. Jour. Geol. Soc. Australia, v.25(3–4), pp.199–218.
2. Birger Rasmussen, Pradip, K. Bose, Subir Sarkar, Santanu Banerjee, Ian R. Fletcher, Mcnaoghton, Neal J. (2002) 1.6 Ga U-Pb zircon age for the Chorhat Sandstone, Lower Vindhyan, India, Possible implications for early evolution of animals. Geology, v.30(2), p.103.
3. Hemraj, S. (2006) Report on Mohar Cauldron, its stratigraphy, structure and evolution within BGC and identification of potential auriferous blocks, Shivpuri District, M.P., Unpubld. Report Geol. Surv. India, FS: 2005-06.
4. Gary R. Lowell, Gary, R. (1991) The Butler Hill Caldera: a mid-Proterozoic ignimbrite-granite complex, Jour. Precambrian Res.,v.51(1–4), pp.245–263.
5. Jain, S.C., Gaur, V.P., Shrivastava, S.K., Nambiar, K.V. (2001) Recent Find of Cauldron Structure in Bundelkhand Gneissic Complex. Geol. Surv. India, Spec. Publ., no.64, pp.289–297.